A096569 - cp's OEIS frontend

A096569 Number of compositions of n with first part 1 and no equal adjacent parts; this is column 1 of the array in A096568.

n	a(n)
1	1
2	0
3	1
4	2
5	2
6	5
7	9
8	14
9	25
10	46
11	78
12	136
13	242
14	419
15	733
16	1291
17	2251
18	3938
19	6905
20	12073
21	21129
22	37001
23	64741
24	113304
25	198344
26	347126
27	607532
28	1063387
29	1861149
30	3257410
31	5701362
32	9978711
33	17465052
34	30568232
35	53501720
36	93640745
37	163894183

[1, 0, 1, 2, 2, 5, 9, 14, 25, 46, 78, 136, 242, 419, 733, 1291, 2251, 3938, 6905, 12073, 21129, 37001, 64741, 113304, 198344, 347126, 607532, 1063387, 1861149, 3257410, 5701362, 9978711, 17465052, 30568232, 53501720, 93640745, 163894183]

cp's OEIS Frontend

A096569 Number of compositions of n with first part 1 and no equal adjacent parts; this is column 1 of the array in A096568.

Table of values

List of values